Agreement of hip kinematics between two tracking marker configurations used with the 1 CODA pelvis during ergonomic roofing tasks

The anterior and posterior superior iliac spine markers are commonly used to define the pelvis, and these markers are predisposed to occlusion during three-dimensional motion capture. The occlusion of these markers leads to the use of various tracking marker configurations on the pelvis, which can create differences in kinematic results. The purpose of this investigation was to examine the agreement of CODA pelvis kinematic results when two different tracking marker configurations were used during ergonomic roofing tasks. Three-dimensional motion data was collected on seven male subjects while mimicking a standing and kneeling roofing task. Hip joint angles were computed using the CODA pelvis with two different tracking marker configurations, the Trochanter Tracking Method (TTM), and the Virtual Pelvis Tracking Method (VPTM).